Overview

overview

10

Static

static

6

23bda8f33e...66.apk

android-9-x86

10

23bda8f33e...66.apk

android-10-x64

10

23bda8f33e...66.apk

android-11-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    159s
  • platform
    android_x86
  • resource
    android-x86-arm-20240624-en
  • resource tags

    androidarch:armarch:x86image:android-x86-arm-20240624-enlocale:en-usos:android-9-x86system
  • submitted
    09/11/2024, 23:07

Sharing

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General

  • Target

    23bda8f33e318d2f99e275817132ed2e460fa2b21ffabe45801dcf839deab266.apk

  • Size

    4.2MB

  • MD5

    887133c831cedd4f3065136b7dcac673

  • SHA1

    2d492960a5741061d32c8a98fdd232e9fa2d53f3

  • SHA256

    23bda8f33e318d2f99e275817132ed2e460fa2b21ffabe45801dcf839deab266

  • SHA512

    ebd2a09dce71317daa8b466cb7290272d9752aeb819e0aff6fe7edefa1c7e85e3dfbe73c5632320470551b929cf9bb497666bf1a6fdd25575ed6c9bd000e9f13

  • SSDEEP

    98304:5rqnDCsWO5+TERC29/Dn3+2Nq6C+W9/KzxwWv:ADCg5rV3+2Nq6Ct9/Kay

Score
10/10
hookbankercollectioncredential_accessdiscoveryevasionexecutionimpactinfostealerpersistencerattrojan

Malware Config

Extracted

Family

hook

C2

http://91.202.233.15

DES_key
AES_key

Signatures

  • Hook

    Hook is an Android malware that is based on Ermac with RAT capabilities.

    rattrojaninfostealerhook
  • Hook family
    hook
  • Loads dropped Dex/Jar 1 TTPs 3 IoCs

    Runs executable file dropped to the device during analysis.

    evasion
  • Makes use of the framework's Accessibility service 4 TTPs 3 IoCs

    Retrieves information displayed on the phone screen using AccessibilityService.

    collectionevasioncredential_access
  • Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps) 1 TTPs
    bankerdiscovery
  • Queries information about running processes on the device 1 TTPs 1 IoCs

    Application may abuse the framework's APIs to collect information about running processes on the device.

    discovery
  • Queries the phone number (MSISDN for GSM devices) 1 TTPs
    discovery
  • Acquires the wake lock 1 IoCs
  • Makes use of the framework's foreground persistence service 1 TTPs 1 IoCs

    Application may abuse the framework's foreground service to continue running in the foreground.

    evasionpersistence
  • Performs UI accessibility actions on behalf of the user 1 TTPs 5 IoCs

    Application may abuse the accessibility service to prevent their removal.

    evasion
  • Queries information about the current Wi-Fi connection 1 TTPs 1 IoCs

    Application may abuse the framework's APIs to collect information about the current Wi-Fi connection.

    discovery
  • Queries the mobile country code (MCC) 1 TTPs 1 IoCs
    discovery
  • Reads information about phone network operator. 1 TTPs
    discovery
  • Requests accessing notifications (often used to intercept notifications before users become aware). 1 TTPs 1 IoCs
    collectioncredential_access
  • Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs
    persistence
  • Schedules tasks to execute at a specified time 1 TTPs 1 IoCs

    Application may abuse the framework's APIs to perform task scheduling for initial or recurring execution of malicious code.

    executionpersistence
  • Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs
    impact
  • Checks CPU information 2 TTPs 1 IoCs
  • Checks memory information 2 TTPs 1 IoCs

Processes

  • com.ihceaaxvv.yowntrhwy
    1⤵
    • Loads dropped Dex/Jar
    • Makes use of the framework's Accessibility service
    • Queries information about running processes on the device
    • Acquires the wake lock
    • Makes use of the framework's foreground persistence service
    • Performs UI accessibility actions on behalf of the user
    • Queries information about the current Wi-Fi connection
    • Queries the mobile country code (MCC)
    • Requests accessing notifications (often used to intercept notifications before users become aware).
    • Registers a broadcast receiver at runtime (usually for listening for system events)
    • Schedules tasks to execute at a specified time
    • Uses Crypto APIs (Might try to encrypt user data)
    • Checks CPU information
    • Checks memory information
    PID:4286
    • /system/bin/dex2oat --instruction-set=x86 --instruction-set-features=ssse3,-sse4.1,-sse4.2,-avx,-avx2,-popcnt --runtime-arg -Xhidden-api-checks --runtime-arg -Xrelocate --boot-image=/system/framework/boot.art --runtime-arg -Xms64m --runtime-arg -Xmx512m --instruction-set-variant=x86 --instruction-set-features=default --inline-max-code-units=0 --compact-dex-level=none --dex-file=/data/user/0/com.ihceaaxvv.yowntrhwy/app_dex/classes.dex --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.ihceaaxvv.yowntrhwy/app_dex/oat/x86/classes.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4313

Network

        MITRE ATT&CK Mobile v15

        Initial Access

        Execution

        Scheduled Task/Job

        1
        T1603

        Persistence

        Event Triggered Execution

        1
        T1624

        Broadcast Receivers

        1
        T1624.001

        Foreground Persistence

        1
        T1541

        Scheduled Task/Job

        1
        T1603

        Privilege Escalation

        Defense Evasion

        Download New Code at Runtime

        1
        T1407

        Foreground Persistence

        1
        T1541

        Impair Defenses

        1
        T1629

        Prevent Application Removal

        1
        T1629.001

        Input Injection

        1
        T1516

        Virtualization/Sandbox Evasion

        2
        T1633

        System Checks

        2
        T1633.001

        Credential Access

        Access Notifications

        1
        T1517

        Input Capture

        2
        T1417

        GUI Input Capture

        1
        T1417.002

        Keylogging

        1
        T1417.001

        Discovery

        Process Discovery

        1
        T1424

        Software Discovery

        1
        T1418

        Security Software Discovery

        1
        T1418.001

        System Information Discovery

        2
        T1426

        System Network Configuration Discovery

        3
        T1422

        System Network Connections Discovery

        1
        T1421

        Lateral Movement

        Collection

        Access Notifications

        1
        T1517

        Input Capture

        2
        T1417

        GUI Input Capture

        1
        T1417.002

        Keylogging

        1
        T1417.001

        Screen Capture

        1
        T1513

        Command and Control

        Exfiltration

        Impact

        Data Encrypted for Impact

        1
        T1471

        Input Injection

        1
        T1516

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • /data/data/com.ihceaaxvv.yowntrhwy/app_dex/classes.dex
          Filesize

          2.9MB

          MD5

          228aafd988ab0f0e03e7a3fc745915bb

          SHA1

          dbbca3c528ef4062d5e840bfb92aea9b707d7167

          SHA256

          4b6e3bb4038d67fc771fc1705a17bb19a320c23bb4b142ba049fdd409cecfe2f

          SHA512

          71b031c9d8fb196f39da20d1fcff3c7feea9b5454d93d7f4852c7c19f22154a6cce72e95700acfd25a1b3225898304f0fb1d095a71b6b7e9a904dc78f5f21655

          Download Submit

        • /data/data/com.ihceaaxvv.yowntrhwy/cache/classes.dex
          Filesize

          1.0MB

          MD5

          dabbaee30deabeafdd5ca81cfb9dd400

          SHA1

          01ef5b1ef9f6a8e1605f2c3545a57cbf8061de40

          SHA256

          e7d25ba187ec52e59994cb514e74b748c46d6f8269dede61e28372461963fca8

          SHA512

          3107525d26c890f099acf10a1877a8c357731b4d67a27696bbe3cee2c91f1187366a718eaca943e6bf06f25c6bfb0348f76593f6652454740dfdbc80c3915a5c

          Download Submit

        • /data/data/com.ihceaaxvv.yowntrhwy/cache/classes.zip
          Filesize

          1.0MB

          MD5

          77925f79abf322969f085bf5d055af7a

          SHA1

          2f096be494b4c0ed11dbbaa73796cf826ce6cd01

          SHA256

          cfc97cd575604800b2da92ee6bbb33e965cd4f27f055149bffa54a848770e8ea

          SHA512

          bd62a543aab769fe6d5c6531d0fecbedd92e85f40d8af80bd84eb47492e9ac1aa603c5ee5536f6f9eaf48b6282040afba53e57100e0c38fd49eaeea8ffdc2b8a

          Download Submit

        • /data/data/com.ihceaaxvv.yowntrhwy/no_backup/androidx.work.workdb
          Filesize

          4KB

          MD5

          f2b4b0190b9f384ca885f0c8c9b14700

          SHA1

          934ff2646757b5b6e7f20f6a0aa76c7f995d9361

          SHA256

          0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

          SHA512

          ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

          Download Submit

        • /data/data/com.ihceaaxvv.yowntrhwy/no_backup/androidx.work.workdb-journal
          Filesize

          512B

          MD5

          70516ab3d48acb037731b10b7a1f69d3

          SHA1

          67db6ed3d0c5e286237cc23bf2be5ade211a3c88

          SHA256

          785a857a299ac3efeb1164377ba69793fd363cb8d13f3d6aa44f235ffe9fb92a

          SHA512

          fca17ebb09cf8f267b041521e9d6e725e065a130916f5f5a63f0b38d584a9e9302cd1a56ba44f176433323af005dd2e0c7c9d505c37c9e05f3cfb9dd2287661f

          Download Submit

        • /data/data/com.ihceaaxvv.yowntrhwy/no_backup/androidx.work.workdb-shm
          Filesize

          32KB

          MD5

          bb7df04e1b0a2570657527a7e108ae23

          SHA1

          5188431849b4613152fd7bdba6a3ff0a4fd6424b

          SHA256

          c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

          SHA512

          768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

          Download Submit

        • /data/data/com.ihceaaxvv.yowntrhwy/no_backup/androidx.work.workdb-wal
          Filesize

          108KB

          MD5

          9e2d4675157e5af9c5be9dfded1793bb

          SHA1

          7b82c61f871227468cd8f6d9db6c47aa1552193e

          SHA256

          6c21fb3f11e1ab31c65baf80eb41ea0fc30cc4301eca1283fc8148c1663d75d0

          SHA512

          188da6fb9ef206512d55ad88f2e53bb11a406fdd61cd599e28840ad9cbc14a6e03f41060ad6720bcd611f6c025dc1c4c4adcd64dc56e6b8c4c4bbd644cc8da2d

          Download Submit

        • /data/data/com.ihceaaxvv.yowntrhwy/no_backup/androidx.work.workdb-wal
          Filesize

          173KB

          MD5

          2e2d8339e12d3f10c5e31e46beaae1ab

          SHA1

          b5a2e4f53e8e89634051b42b1ff35ff62bab7b2e

          SHA256

          39485858806577f33aa93307daff30c9b1c64b2f631d228347b04739b3f8eca9

          SHA512

          b72cfa9d7d77e6ac9a03c872c65f993a22ce8d2abf8e3ce05407da2e9e8e0d6d9c66d494e1ba8d1249bcb44bb8463375937674def610a27fd62e321c28e15a24

          Download Submit

        • /data/data/com.ihceaaxvv.yowntrhwy/no_backup/androidx.work.workdb-wal
          Filesize

          16KB

          MD5

          5a7018d2c0239a8849b031138538da9b

          SHA1

          fe284951d9efbe3b18ccda683ec0ee500386214c

          SHA256

          74cc8867454332c5a93a90695868f36ed4f14a85cdcf5014b5bee5b7c3240682

          SHA512

          294fac0bf8cabeff00a387a88514cf86600e8950e46aa1ab37456dd945afce39fbcc7a1890fcdfb0b0fbf4565913e0c961abc345b14a016452fc147815e35888

          Download Submit

        • /data/user/0/com.ihceaaxvv.yowntrhwy/app_dex/classes.dex
          Filesize

          2.9MB

          MD5

          a25187bea7e14298d97aa40df7099d04

          SHA1

          74cf83d6af80a9b2f7dba088941017c6ff5ed576

          SHA256

          4a96e1b095653d4c2a634e4c4373545df48537544f3dea860ead0966d990fb68

          SHA512

          180d893727a0790aeae76de7cfcfb803408959fa5917acb2209affd39c4833cb6d6d84854fc1cd5c2e36b7e9f0dc68521b55a302011bc0bd1d1d941106518551

          Download Submit